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Table 1 Coordinates of variable categories on the first and on the second dimension of the MCA (DIM1 and DIM2)

From: Machine learning approaches identify male body size as the most accurate predictor of species richness 

Variable category DIM1 coordinates Variable category DIM2 coordinates
Small body size − 0.813 Geographic range 4 − 1.274
High species richness − 0.684 Little COI distances − 0.821
Geographic range 5 − 0.655 Entelegynae phylogenetic rank − 0.606
Haplogynae phylogenetic rank − 0.519 Low species richness − 0.338
Entelegynae phylogenetic rank − 0.399 Geographic range 3 − 0.17
Little COI distances − 0.065 Big body size − 0.123
Large COI distances 0.055 Geographic range 5 0.111
Low species richness 0.624 Small body size 0.112
Geographic range 4 0.758 High species richness 0.37
Big body size 0.89 Large COI distances 0.684
Geographic range 3 0.925 “Orthognatha” group 0.708
Geographic range 2 1.398 Geographic range 2 1.077
“Orthognatha” group 1.452 Haplogynae phylogenetic rank 1.086